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单词 airleg
释义

Definition of airleg in English:

airleg

noun
Mining
  • An air-operated support for a rock drill, used especially when drilling horizontally; frequently attributive.

Origin

1950s; earliest use found in Canadian Mining Journal.

Definition of airleg in US English:

airleg

noun
Mining
  • An air-operated support for a rock drill, used especially when drilling horizontally; frequently attributive.

Origin

1950s; earliest use found in Canadian Mining Journal.

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更新时间:2024/10/19 17:33:17